//
// LICENSE:
// This work is licensed under the
//     Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
// also known as CC-BY-NC-SA.  To view a copy of this license, visit
//      http://creativecommons.org/licenses/by-nc-sa/3.0/
// or send a letter to
//      Creative Commons // 171 Second Street, Suite 300 // San Francisco, California, 94105, USA.
//

#region Summary and Documentation
#endregion


#region Examples
#endregion


#region Usings
using System;
using System.Collections.Generic;

using Honorbuddy.QuestBehaviorCore;
using Styx;
using Styx.CommonBot;
using Styx.CommonBot.Profiles;
using Styx.TreeSharp;
using Styx.WoWInternals.WoWObjects;

using Action = Styx.TreeSharp.Action;
#endregion


namespace Honorbuddy.Quest_Behaviors.SpellLocation
{
	[CustomBehaviorFileName(@"SpellLocation")]
	public class SpellLocation : CustomForcedBehavior
	{
		public SpellLocation(Dictionary<string, string> args)
			: base(args)
		{
			QBCLog.BehaviorLoggingContext = this;

			try
			{
				// QuestRequirement* attributes are explained here...
				//    http://www.thebuddyforum.com/mediawiki/index.php?title=Honorbuddy_Programming_Cookbook:_QuestId_for_Custom_Behaviors
				// ...and also used for IsDone processing.            
				QuestId = GetAttributeAsNullable<int>("QuestId", false, ConstrainAs.QuestId(this), null) ?? 0;
				QuestRequirementComplete = GetAttributeAsNullable<QuestCompleteRequirement>("QuestCompleteRequirement", false, null, null) ?? QuestCompleteRequirement.NotComplete;
				QuestRequirementInLog = GetAttributeAsNullable<QuestInLogRequirement>("QuestInLogRequirement", false, null, null) ?? QuestInLogRequirement.InLog;

				Location = GetAttributeAsNullable<WoWPoint>("", false, ConstrainAs.WoWPointNonEmpty, null) ?? Me.Location;

				Counter = 1;
			}
		
			catch (Exception except)
			{
				// Maintenance problems occur for a number of reasons.  The primary two are...
				// * Changes were made to the behavior, and boundary conditions weren't properly tested.
				// * The Honorbuddy core was changed, and the behavior wasn't adjusted for the new changes.
				// In any case, we pinpoint the source of the problem area here, and hopefully it
				// can be quickly resolved.
				QBCLog.Exception(except);
				IsAttributeProblem = true;
			}
		}    

		public WoWPoint Location { get; private set; }
		public int QuestId { get; private set; }
		private Composite _root;
		public int Counter { get; private set; }
		public QuestCompleteRequirement QuestRequirementComplete { get; private set; }
		public QuestInLogRequirement QuestRequirementInLog { get; private set; }
		private LocalPlayer Me { get { return (StyxWoW.Me); } }
		private bool _isBehaviorDone;


		protected override Composite CreateBehavior()
		{
			
			_isBehaviorDone = true;

			return _root ?? (_root = new PrioritySelector(new Decorator(new Action(ret => SpellManager.ClickRemoteLocation(Location)))));
		}


        public override void OnFinished()
        {
            TreeRoot.GoalText = string.Empty;
            TreeRoot.StatusText = string.Empty;
            base.OnFinished();
        }


		public override bool IsDone
		{
			get
			{
				return (_isBehaviorDone     // normal completion
						|| !UtilIsProgressRequirementsMet(QuestId, QuestRequirementInLog, QuestRequirementComplete));
			}
		}

		public override void OnStart()
		{
			// This reports problems, and stops BT processing if there was a problem with attributes...
			// We had to defer this action, as the 'profile line number' is not available during the element's
			// constructor call.
			OnStart_HandleAttributeProblem();

			// If the quest is complete, this behavior is already done...
			// So we don't want to falsely inform the user of things that will be skipped.
			if (!IsDone)
			{
				this.UpdateGoalText(QuestId);
			}
		}
	}
}
	

